#home_nav_ul {
    -webkit-margin-before: 0em;
    -webkit-margin-after: 0em;
    -webkit-margin-start: 0em;
    -webkit-margin-end: 0em;
    -webkit-padding-start: 0em;
    -webkit-padding-end: 0em;
    width: 100%;
    font-weight: 100;
}
#home_nav_ul li{
    width: 20%;
    float: left;
    height: 45px;
    padding-top: 2px;
    background: #ffffff;
    font-size: 0.66em;
    list-style: none;
    text-align: center;
}
#home_nav_ul li i{
    display: block;
    width: 25px;
    height: 25px;
    margin: 0 auto;
}
#home_nav_ul li a{
    background: #ffffff;
    box-shadow: none;
    border-color:#DDDDDD ;
    color: #444444;
    text-decoration: none;
}
#home_nav_ul li:first-child i{
    background: url("../img/nav_home1.png") no-repeat;
    background-size: 25px 25px;
}
#home_nav_ul li:nth-child(2) i{
    background: url("../img/nav_home2.png") no-repeat;
    background-size: 25px 25px;
}
#home_nav_ul li:nth-child(3) i{
    background: url("../img/nav_home3.png") no-repeat;
    background-size: 25px 25px;
}
#home_nav_ul li:nth-child(4) i{
    background: url("../img/nav_home4.png") no-repeat;
    background-size: 25px 25px;
}
#home_nav_ul li:nth-child(5) i{
    background: url("../img/nav_home5.png") no-repeat;
    background-size: 25px 25px;
}

@media screen and (-webkit-min-device-pixel-ratio: 1.0) {
    #home_nav_ul li{
        font-size: 0.66em;
    }
}

@media screen and (-webkit-min-device-pixel-ratio: 1.3) {
    #home_nav_ul li{
        font-size: 0.66em;
    }
}

@media screen and (-webkit-min-device-pixel-ratio: 1.5) {
    #home_nav_ul li{
        font-size: 0.66em;
    }
}

@media screen and (-webkit-min-device-pixel-ratio: 2) {
    #home_nav_ul li{
        vertical-align: middle;
        height: 4em;
        padding-top: 0;
        font-size: 2em;
    }
    #home_nav_ul li i{
        margin-bottom: 0.5em;
    }
}

@media screen and (-webkit-min-device-pixel-ratio: 2.1) {
    #home_nav_ul li{
        font-size: 0.66em;
    }
}

@media screen and (-webkit-min-device-pixel-ratio: 3.0) {
    #home_nav_ul li{
        vertical-align: middle;
        height: 3em;
        padding-top: 0;
        font-size: 2.5em;
    }
    #home_nav_ul li i{
        margin-bottom: 0.5em;
    }
}
